1 #FTP client
 2 
 3 import socket
 4 
 5 import os
 6 
 7 
 8 class FtpClient(object):
 9     def __init__(self):
10 
11         client = socket.socket()
12     def help(self):
13         msg = ‘‘‘
14             ls
15             pwd
16             cd ../..
17             get filename
18             put filename
19             ‘‘‘
20         print (‘‘)
21 
22     def connect(self,ip,port):
23 
24         clinet.connect((ip,port))
25         
26 
27     def interactive(self):
28 
29         #self.authenticate()
30         while True:
31             cmd =input(‘>>‘).strip()
32 
33             if len(cmd) == 0:continue
34 
35             cmd_str = cmd.split()[0]
36 
37             if hasattr(self,‘cmd_%s‘%cmd_str):
38                 func = getattr(self,‘cmd_%s‘%cmd_str)
39 
40                 func(cmd)
41             else:
42                 self.help()
43 
44     def cmd_put(self,*args):
45         cmd_split = arge[0].split()
46         if len(cmd_split) > 1 :
47             filename = cmd_split[1]
48             if os.path.isfile(filename):
49                 filesise = os.stat(filename).st_size
50                 
51                 #msg_str = ‘%s|%s‘ %(filename,filesize)
52                 msg_dic = {
53                     ‘filename‘:filename,
54                     ‘size‘:filesize
55                     ‘overridden‘:True
56                            }
57 
58                 self.client.send(json.dumps(msg_dic).encode("utf-8"))
59                 #防止粘包，等服务器确认（标准请求码）
60                 server_response = self.client.recv(1024)
61                 f = open (filename,‘rb‘)
62                 for line inf:
63                     self.client.send(line)
64                 
65             else:
66                # print (filenmae,‘isnot exist‘)
67 
68                print (‘file upload success...‘)
69                f.close()
70 
71 
72     def
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